Home / 16,858.13-23,264.21-9,406.13

Finding the Fourth Proportional to 16,858.13, 23,264.21 and 9,406.13

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Solution

The fourth proportional to 16,858.13, 23,264.21 and 9,406.13 is: 12,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.13 : 23,264.21 = 9,406.13 : x
  2. Step 2: Convert to fraction form
    16,858.13/23,264.21 = 9,406.13/x
  3. Step 3: Cross multiply
    16,858.13x = 23,264.21 × 9,406.13
  4. Step 4: Simplify right side
    16,858.13x = 218,826,090.80
  5. Step 5: Solve for x
    x = 218,826,090.80/16,858.13
  6. Step 6: Final answer
    x = 12,980.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.